Each time that the club has gotten out our big mechs for a game of Mech Attack in 28mm, we have discussed leaving destroyed mechs on the board or making markers to represent the wreckage. I made these basic wreck markers using the same technique as the plaster wrecked cars I made some time ago.
Each one is molded from a different piece of one of my mechs, so you might be able to recognize each piece's origins in our old battle reports. After making the plaster reproduction, I attached each one to an old CD and added textured modeling paste, ...